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Round|Natural|GIA

2.50ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 1518212262

Certificate GIA 1518212262

Diamond specifications and retailer prices

From $38,746 SGD
$30,221 USD
As of October 29, 2026
Save $32,391 SGD (46%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $71,137 SGD at Diamond Quarter · As of October 28, 2026
View at Diamond Quarter

About this 2.5ct natural round diamond

This 2.5ct natural round sits in the two to three carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1518212262. Listed at 20 retailers as of October 28, 2026, with prices from $38,746 to $71,137, a $32,391 spread on the same certified stone. Diamond Quarter lists it at $71,137. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.50
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 1518212262
Dimensions8.76 × 8.82 × 5.31 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Culet sizeNone
Key to symbols
Feather, Twinning Wisp, Cloud, Natural
Top View
8.76 mm8.82 mm2.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1518212262
Side View
Table 61.0%Crown 32.5°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 60.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $47,314 SGD|Low: $38,746 SGD|High: $68,395 SGD|Avg: $47,845 SGD|-0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 29, 2026
Retailer 11$38,746 SGD
Retailer 8$39,396 SGD
Retailer 10$42,021 SGD
Retailer 9$42,898 SGD
Retailer 14$42,988 SGD
Retailer 4$43,272 SGD
Retailer 16$43,692 SGD
Retailer 3$45,075 SGD
Retailer 17$45,436 SGD
Retailer 2$46,270 SGD
Retailer 6$46,879 SGD
Retailer 1$47,314 SGD
Retailer 7$48,681 SGD
Retailer 18$50,444 SGD
Retailer 13$51,246 SGD
Retailer 5$51,573 SGD
Retailer 19$54,182 SGD
Retailer 15$59,518 SGD
Retailer 12$67,943 SGD

27 data points across 19 retailers

20 retailers$38,746 SGD to $71,137 SGD

B+
Cheapest Retailer
-
$38,746 SGD
$30,221 USD
B+
Retailer 2
-
$39,396 SGD
$30,728 USD
View
B+
Retailer 3
-
$42,021 SGD
$32,775 USD
View
B+
Retailer 4
-
$42,898 SGD
A$51,476 AUD
View
Price last confirmed 26 days ago
B+
Retailer 5
-
$42,988 SGD
£26,401 GBP
View
B+
Retailer 6
-
$43,272 SGD
$33,751 USD
View
B+
Retailer 7
-
$43,692 SGD
CA$47,331 CAD
View
B+
Retailer 8
-
$45,075 SGD
$35,157 USD
View
B+
Retailer 9
-
$45,436 SGD
$35,439 USD
View
B
Retailer 10
-
$46,270 SGD
$36,089 USD
View
B
Retailer 11
-
$46,879 SGD
$36,564 USD
View
B+
Retailer 12
-
$47,314 SGD
£29,058 GBP
View
B+
Retailer 13
-
$48,681 SGD
$37,970 USD
View
B+
Retailer 14
-
$50,444 SGD
$39,345 USD
View
B+
Retailer 15
-
$51,246 SGD
€38,067 EUR
View
B+
Retailer 16
-
$51,573 SGD
$40,225 USD
View
B
Retailer 17
-
$54,182 SGD
$42,260 USD
View
B
Retailer 18
-
$59,518 SGD
ZAR 749,958 ZAR
View
B
Retailer 19
-
$67,943 SGD
£41,727 GBP
View
Most Expensive
B
Diamond Quarter
2.5SI1D1562EF73N · Oct 28
$71,137 SGD
£43,689 GBP
View
19 more retailers have this diamond
Prices start from $38,746 SGDSave up to $32,391 SGD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
2.50ct Round
$38,746 SGD